As the charter of the CGSS, the CGSS data and other related documentations would open to the public two years after the annual fieldwork. By now, the CGSS has opened data from 2003 to 2013 except for the 2004 data. For along time, the CGSS is the only large-scale survey projects that open data in China mainland. The CGSS data has become the most important data resource for China study. By December 2014, the registered CGSS data users have more than 2,0000. More than 700 journal papers published based on CGSS data. It is just because the CGSS’s initiation of data opening and data sharing, several other larger-scale academic surveys began to open and share data in recent years.